55093

Appears in sequences

• Number of labeled series-reduced dyslexic mobiles (polygon rooted trees) with n leaves (root has degree 0 or >=2).at n=6A032274
• Numerators of the convergents of the continued fraction for 2^(1/4) - 2^(-1/4), the ordinate of the point of bisection of the arc of the unit lemniscate (x^2 + y^2)^2 = x^2 - y^2 in the first quadrant.at n=10A154745